Finding the Fourth Proportional to 5,170,772,745.96, 7,757,248,574.04 and 1,676,905,787.40
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Solution
The fourth proportional to 5,170,772,745.96, 7,757,248,574.04 and 1,676,905,787.40 is: 2,515,711,996.48
Step by Step Solution
- Step 1: Write the proportion equation
5,170,772,745.96 : 7,757,248,574.04 = 1,676,905,787.40 : x - Step 2: Convert to fraction form
5,170,772,745.96/7,757,248,574.04 = 1,676,905,787.40/x - Step 3: Cross multiply
5,170,772,745.96x = 7,757,248,574.04 × 1,676,905,787.40 - Step 4: Simplify right side
5,170,772,745.96x = 13,008,175,028,108,075,008 - Step 5: Solve for x
x = 13,008,175,028,108,075,008/5,170,772,745.96 - Step 6: Final answer
x = 2,515,711,996.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.